88797249657 has 12 divisors (see below), whose sum is σ = 131391052884. Its totient is φ = 57754308480.

The previous prime is 88797249643. The next prime is 88797249707. The reversal of 88797249657 is 75694279788.

88797249657 is a `hidden beast` number, since 8 + 87 + 9 + 7 + 2 + 496 + 57 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3246264576 + 85550985081 = 56976^2 + 292491^2 .

It is not a de Polignac number, because 88797249657 - 2²² = 88793055353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88797245657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120321108 + ... + 120321845.

It is an arithmetic number, because the mean of its divisors is an integer number (10949254407).

Almost surely, 2^88797249657 is an apocalyptic number.

It is an amenable number.

88797249657 is a deficient number, since it is larger than the sum of its proper divisors (42593803227).

88797249657 is a wasteful number, since it uses less digits than its factorization.

88797249657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240643000 (or 240642997 counting only the distinct ones).

The product of its digits is 426746880, while the sum is 72.

The spelling of 88797249657 in words is "eighty-eight billion, seven hundred ninety-seven million, two hundred forty-nine thousand, six hundred fifty-seven".